MadelineProto/docs/TD_docs/methods/changeChatPhoto.md

title	description
changeChatPhoto	Changes chat photo. Photo can't be changed for private chats. Photo will not change until change will be synchronized with the server. Photo will not be changed if application is killed before it can send request to the server. - There will be update about change of the photo on success. Otherwise error will be returned

Method: changeChatPhoto

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Changes chat photo. Photo can't be changed for private chats. Photo will not change until change will be synchronized with the server. Photo will not be changed if application is killed before it can send request to the server. - There will be update about change of the photo on success. Otherwise error will be returned

Params:

Name	Type	Required	Description
chat_id	long	Yes	Chat identifier
photo	InputFile	Yes	New chat photo. You can use zero InputFileId to delete photo. Files accessible only by HTTP URL are not acceptable

Return type: Ok

Example:

$MadelineProto = new \danog\MadelineProto\API();
if (isset($token)) { // Login as a bot
    $this->bot_login($token);
}
if (isset($number)) { // Login as a user
    $sentCode = $MadelineProto->phone_login($number);
    echo 'Enter the code you received: ';
    $code = '';
    for ($x = 0; $x < $sentCode['type']['length']; $x++) {
        $code .= fgetc(STDIN);
    }
    $MadelineProto->complete_phone_login($code);
}

$Ok = $MadelineProto->changeChatPhoto(['chat_id' => long, 'photo' => InputFile, ]);

Or, if you're into Lua:

Ok = changeChatPhoto({chat_id=long, photo=InputFile, })